Home / 6,926.42-9,558.69-3,782.90

Finding the Fourth Proportional to 6,926.42, 9,558.69 and 3,782.90

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Solution

The fourth proportional to 6,926.42, 9,558.69 and 3,782.90 is: 5,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.42 : 9,558.69 = 3,782.90 : x
  2. Step 2: Convert to fraction form
    6,926.42/9,558.69 = 3,782.90/x
  3. Step 3: Cross multiply
    6,926.42x = 9,558.69 × 3,782.90
  4. Step 4: Simplify right side
    6,926.42x = 36,159,568.40
  5. Step 5: Solve for x
    x = 36,159,568.40/6,926.42
  6. Step 6: Final answer
    x = 5,220.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.